The reason why we worry about an imbalance of power in these cases is because where one party has more power over the other, it is possible that the other is being coerced by the more powerful party. It is not necessarily the existence of an imbalance that is problematic, but the potential this imbalance has to prevent the weaker party from making free and informed choices. The problem is exacerbated when the weaker party is a minor, as the issue of informed consent is trickier when we deal with children. Many believe that children are not capable of giving informed consent in any situation; certainly we would have reason to be concerned in situations where there also exists an imbalance of power. If we could really establish that the minor has given informed consent, then the existence of an imbalance of power might not in itself be problematic. But it is an extremely difficult task to establish the existence of informed consent in such cases, which is why most people think sexual relationships...